11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * linux/include/linux/mmc/host.h 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License version 2 as 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * published by the Free Software Foundation. 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Host driver specific definitions. 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef LINUX_MMC_HOST_H 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LINUX_MMC_HOST_H 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13af8350c756cb48a738474738f7bf8c0e572fa057Pierre Ossman#include <linux/leds.h> 14a7d1a1ebd8f5858a812ac3d5fbbc178b4959a63bGuennadi Liakhovetski#include <linux/mutex.h> 15d43c36dc6b357fa1806800f18aa30123c747a6d1Alexey Dobriyan#include <linux/sched.h> 16313162d0b83836e2f57e51b9b8650fb4b9c396eaPaul Gortmaker#include <linux/device.h> 171b676f70c108cda90cf9d114d16c677584400efcPer Forlin#include <linux/fault-inject.h> 18af8350c756cb48a738474738f7bf8c0e572fa057Pierre Ossman 19aaac1b470bd0dccb30912356617069dc6199cc80Pierre Ossman#include <linux/mmc/core.h> 20cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon#include <linux/mmc/card.h> 21da68c4eb258cd9f3f0b8aeb7e46b8118bb6358b6Nicolas Pitre#include <linux/mmc/pm.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct mmc_ios { 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int clock; /* clock rate */ 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short vdd; 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 274be34c99a2f3aa90fa42e62c0918f07afb8a645bPhilip Langdale/* vdd stores the bit number of the selected voltage range from below. */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char bus_mode; /* command output mode */ 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MMC_BUSMODE_OPENDRAIN 1 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MMC_BUSMODE_PUSHPULL 2 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 34865e9f13c94891daed4f6a5f69c5d6ec04d4932fPierre Ossman unsigned char chip_select; /* SPI chip select */ 35865e9f13c94891daed4f6a5f69c5d6ec04d4932fPierre Ossman 36865e9f13c94891daed4f6a5f69c5d6ec04d4932fPierre Ossman#define MMC_CS_DONTCARE 0 37865e9f13c94891daed4f6a5f69c5d6ec04d4932fPierre Ossman#define MMC_CS_HIGH 1 38865e9f13c94891daed4f6a5f69c5d6ec04d4932fPierre Ossman#define MMC_CS_LOW 2 39865e9f13c94891daed4f6a5f69c5d6ec04d4932fPierre Ossman 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char power_mode; /* power supply mode */ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MMC_POWER_OFF 0 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MMC_POWER_UP 1 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MMC_POWER_ON 2 458af465db967bf25a4617416c0cbaaaa506d444f5Roger Tseng#define MMC_POWER_UNDEFINED 3 46f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman 47f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman unsigned char bus_width; /* data bus width */ 48f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman 49f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman#define MMC_BUS_WIDTH_1 0 50f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman#define MMC_BUS_WIDTH_4 2 51b30f8af3358b5c66be223e3a9f3d11b3d02b4a8fJarkko Lavinen#define MMC_BUS_WIDTH_8 3 52cd9277c011a99769fa371521b460ed57f6d280b1Pierre Ossman 53cd9277c011a99769fa371521b460ed57f6d280b1Pierre Ossman unsigned char timing; /* timing specification used */ 54cd9277c011a99769fa371521b460ed57f6d280b1Pierre Ossman 55cd9277c011a99769fa371521b460ed57f6d280b1Pierre Ossman#define MMC_TIMING_LEGACY 0 56cd9277c011a99769fa371521b460ed57f6d280b1Pierre Ossman#define MMC_TIMING_MMC_HS 1 57cd9277c011a99769fa371521b460ed57f6d280b1Pierre Ossman#define MMC_TIMING_SD_HS 2 58ed9dbb6effc3516a1211a936be9bd67c03fdf858Kevin Liu#define MMC_TIMING_UHS_SDR12 3 59ed9dbb6effc3516a1211a936be9bd67c03fdf858Kevin Liu#define MMC_TIMING_UHS_SDR25 4 60ed9dbb6effc3516a1211a936be9bd67c03fdf858Kevin Liu#define MMC_TIMING_UHS_SDR50 5 61ed9dbb6effc3516a1211a936be9bd67c03fdf858Kevin Liu#define MMC_TIMING_UHS_SDR104 6 62ed9dbb6effc3516a1211a936be9bd67c03fdf858Kevin Liu#define MMC_TIMING_UHS_DDR50 7 6379f7ae7c45a6ccf04e2908337461dee615f6afb0Seungwon Jeon#define MMC_TIMING_MMC_DDR52 8 6479f7ae7c45a6ccf04e2908337461dee615f6afb0Seungwon Jeon#define MMC_TIMING_MMC_HS200 9 650a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon#define MMC_TIMING_MMC_HS400 10 660f8d8ea64ec7c77ca5beb59534d386fe0235961aAdrian Hunter 67f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */ 68f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath 69f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_SIGNAL_VOLTAGE_330 0 70f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_SIGNAL_VOLTAGE_180 1 714c4cb171054230c2e58ed6574d7faa1871c75bbePhilip Rakity#define MMC_SIGNAL_VOLTAGE_120 2 72d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath 73d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath unsigned char drv_type; /* driver type (A, B, C, D) */ 74d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath 75d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_SET_DRIVER_TYPE_B 0 76d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_SET_DRIVER_TYPE_A 1 77d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_SET_DRIVER_TYPE_C 2 78d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_SET_DRIVER_TYPE_D 3 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct mmc_host_ops { 828ea926b22e2d13238e4d65d8f61c48fe424e6f4fAdrian Hunter /* 83907d2e7cc7ebba4ab398422a7f0435e1802be65bAdrian Hunter * 'enable' is called when the host is claimed and 'disable' is called 84907d2e7cc7ebba4ab398422a7f0435e1802be65bAdrian Hunter * when the host is released. 'enable' and 'disable' are deprecated. 858ea926b22e2d13238e4d65d8f61c48fe424e6f4fAdrian Hunter */ 868ea926b22e2d13238e4d65d8f61c48fe424e6f4fAdrian Hunter int (*enable)(struct mmc_host *host); 87907d2e7cc7ebba4ab398422a7f0435e1802be65bAdrian Hunter int (*disable)(struct mmc_host *host); 88aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin /* 89aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin * It is optional for the host to implement pre_req and post_req in 90aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin * order to support double buffering of requests (prepare one 91aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin * request while another request is active). 927c8a2829c22a270acadc6aa3a937e2e7956b19f5Per Forlin * pre_req() must always be followed by a post_req(). 937c8a2829c22a270acadc6aa3a937e2e7956b19f5Per Forlin * To undo a call made to pre_req(), call post_req() with 947c8a2829c22a270acadc6aa3a937e2e7956b19f5Per Forlin * a nonzero err condition. 95aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin */ 96aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin void (*post_req)(struct mmc_host *host, struct mmc_request *req, 97aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin int err); 98aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin void (*pre_req)(struct mmc_host *host, struct mmc_request *req, 99aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin bool is_first_req); 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void (*request)(struct mmc_host *host, struct mmc_request *req); 10128f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov /* 10228f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov * Avoid calling these three functions too often or in a "fast path", 10328f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov * since underlaying controller might implement them in an expensive 10428f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov * and/or slow way. 10528f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov * 10628f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov * Also note that these functions might sleep, so don't call them 10728f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov * in the atomic contexts! 10808f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * 10908f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * Return values for the get_ro callback should be: 11008f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * 0 for a read/write card 11108f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * 1 for a read-only card 11208f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * -ENOSYS when not supported (equal to NULL callback) 11308f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * or a negative errno value when something bad happened 11408f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * 115ee63a7d2287c677ed022bf3f584f5a187b6c402fThomas Petazzoni * Return values for the get_cd callback should be: 11608f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * 0 for a absent card 11708f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * 1 for a present card 11808f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * -ENOSYS when not supported (equal to NULL callback) 11908f80bb5196517a0dfe50dc7c10f234c0ff2f0e8Anton Vorontsov * or a negative errno value when something bad happened 12028f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov */ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios); 122a00fc09029f02ca833cf90e5d5625f08c4ac4f51Pierre Ossman int (*get_ro)(struct mmc_host *host); 12328f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov int (*get_cd)(struct mmc_host *host); 12428f52482b41edc88cdf575aa6ed414c6e116ce10Anton Vorontsov 12517b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitre void (*enable_sdio_irq)(struct mmc_host *host, int enable); 1263fcb027d7fd749569665d34a79ce2a8e00bc2ed6Daniel Mack 1273fcb027d7fd749569665d34a79ce2a8e00bc2ed6Daniel Mack /* optional callback for HC quirks */ 1283fcb027d7fd749569665d34a79ce2a8e00bc2ed6Daniel Mack void (*init_card)(struct mmc_host *host, struct mmc_card *card); 129f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath 130f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios); 131a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S 132d887874e0ead6a0b86b6046b872730c81c121352Johan Rudholm /* Check if the card is pulling dat[0:3] low */ 133d887874e0ead6a0b86b6046b872730c81c121352Johan Rudholm int (*card_busy)(struct mmc_host *host); 134d887874e0ead6a0b86b6046b872730c81c121352Johan Rudholm 135a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S /* The tuning command opcode value is different for SD and eMMC cards */ 136a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S int (*execute_tuning)(struct mmc_host *host, u32 opcode); 1370a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon 1380a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon /* Prepare HS400 target operating frequency depending host driver */ 1390a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios); 140ca8e99b32e3863c98ac958617cc157a00bf445b8Philip Rakity int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv); 141b2499518b5ad7e28bb3ed348fd3f370eeb1e36c0Adrian Hunter void (*hw_reset)(struct mmc_host *host); 1429f1fb60a2338aa2202ca94d67f84c582f31dbf5aGuennadi Liakhovetski void (*card_event)(struct mmc_host *host); 1432e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto 1442e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto /* 1452e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto * Optional callback to support controllers with HW issues for multiple 1462e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto * I/O. Returns the number of supported blocks for the request. 1472e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto */ 1482e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto int (*multi_io_quirk)(struct mmc_card *card, 1492e47e84245adcb1b3872210678b6146f674fb3ffKuninori Morimoto unsigned int direction, int blk_size); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct mmc_card; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct device; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 155aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlinstruct mmc_async_req { 156aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin /* active mmc request */ 157aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin struct mmc_request *mrq; 158aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin /* 159aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin * Check error status of completed mmc request. 160aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin * Returns 0 if success otherwise non zero. 161aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin */ 162aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin int (*err_check) (struct mmc_card *, struct mmc_async_req *); 163aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin}; 164aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin 16527410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski/** 16627410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * struct mmc_slot - MMC slot functions 16727410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * 16827410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * @cd_irq: MMC/SD-card slot hotplug detection IRQ or -EINVAL 169a7d1a1ebd8f5858a812ac3d5fbbc178b4959a63bGuennadi Liakhovetski * @lock: protect the @handler_priv pointer 17027410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * @handler_priv: MMC/SD-card slot context 17127410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * 17227410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * Some MMC/SD host controllers implement slot-functions like card and 17327410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * write-protect detection natively. However, a large number of controllers 17427410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * leave these functions to the CPU. This struct provides a hook to attach 17527410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski * such slot-function drivers. 17627410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski */ 17727410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetskistruct mmc_slot { 17827410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski int cd_irq; 179a7d1a1ebd8f5858a812ac3d5fbbc178b4959a63bGuennadi Liakhovetski struct mutex lock; 180b67e198073b2d2f16572f5fa77553fec14775f69Guennadi Liakhovetski void *handler_priv; 181b67e198073b2d2f16572f5fa77553fec14775f69Guennadi Liakhovetski}; 182b67e198073b2d2f16572f5fa77553fec14775f69Guennadi Liakhovetski 1832220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman/** 1842220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman * mmc_context_info - synchronization details for mmc context 1852220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman * @is_done_rcv wake up reason was done request 1862220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman * @is_new_req wake up reason was new request 1872220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman * @is_waiting_last_req mmc context waiting for single running request 1882220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman * @wait wait queue 1892220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman * @lock lock to protect data fields 1902220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman */ 1912220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfmanstruct mmc_context_info { 1922220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman bool is_done_rcv; 1932220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman bool is_new_req; 1942220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman bool is_waiting_last_req; 1952220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman wait_queue_head_t wait; 1962220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman spinlock_t lock; 1972220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman}; 1982220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman 199e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetskistruct regulator; 200e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetski 201e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetskistruct mmc_supply { 202e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetski struct regulator *vmmc; /* Card power supply */ 203e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetski struct regulator *vqmmc; /* Optional Vccq supply */ 204e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetski}; 205e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetski 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct mmc_host { 207fcaf71fd51f9cfc504455d3e19ec242e4b2073edGreg Kroah-Hartman struct device *parent; 208fcaf71fd51f9cfc504455d3e19ec242e4b2073edGreg Kroah-Hartman struct device class_dev; 209dce773771834221817e2d359a7e07a618ba08807Russell King int index; 210f57b225e432d80ee46f48536cc55ea6cf62c5570David Brownell const struct mmc_host_ops *ops; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int f_min; 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int f_max; 21388ae8b866488031b0e2fc05a27440fefec5e6927Hein Tibosch unsigned int f_init; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 ocr_avail; 2158f230f454fe04ba326ffaead3a6b88dcf44eaf4bTakashi Iwai u32 ocr_avail_sdio; /* SDIO-specific OCR */ 2168f230f454fe04ba326ffaead3a6b88dcf44eaf4bTakashi Iwai u32 ocr_avail_sd; /* SD-specific OCR */ 2178f230f454fe04ba326ffaead3a6b88dcf44eaf4bTakashi Iwai u32 ocr_avail_mmc; /* MMC-specific OCR */ 2184c2ef25fe0b847d2ae818f74758ddb0be1c27d8eMaxim Levitsky struct notifier_block pm_notify; 21955c4665ea0a42fd6427826bfce96eb4b0389262aAaron Lu u32 max_current_330; 22055c4665ea0a42fd6427826bfce96eb4b0389262aAaron Lu u32 max_current_300; 22155c4665ea0a42fd6427826bfce96eb4b0389262aAaron Lu u32 max_current_180; 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 22355556da01284af8c2174b786b3eca8e11301b656Philip Langdale#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ 224f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ 225f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ 226f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */ 227f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */ 228f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */ 229f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */ 230f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */ 231f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */ 232f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */ 233f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */ 234f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */ 235f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */ 236f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */ 237f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */ 238f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */ 239f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */ 240f74d132cec60b686bce1f284822c1a496700bd3cPierre Ossman 2415f1a4dd0372038f2490afa4540cd66b8d092839eLee Jones u32 caps; /* Host capabilities */ 242f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman 243f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman#define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ 24423af60398af2f5033e2f53665538a09f498dbc03Pierre Ossman#define MMC_CAP_MMC_HIGHSPEED (1 << 1) /* Can do MMC high-speed timing */ 24523af60398af2f5033e2f53665538a09f498dbc03Pierre Ossman#define MMC_CAP_SD_HIGHSPEED (1 << 2) /* Can do SD high-speed timing */ 24623af60398af2f5033e2f53665538a09f498dbc03Pierre Ossman#define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */ 24723af60398af2f5033e2f53665538a09f498dbc03Pierre Ossman#define MMC_CAP_SPI (1 << 4) /* Talks only SPI protocols */ 24823af60398af2f5033e2f53665538a09f498dbc03Pierre Ossman#define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */ 249b30f8af3358b5c66be223e3a9f3d11b3d02b4a8fJarkko Lavinen#define MMC_CAP_8_BIT_DATA (1 << 6) /* Can the host do 8 bit transfers */ 250c4d770d72492df510077b277f21ac5f0dad9e5ebUlf Hansson#define MMC_CAP_AGGRESSIVE_PM (1 << 7) /* Suspend (e)MMC/SD at idle */ 2519feae246963c648b212abad0f0eb8938de5f5fe5Adrian Hunter#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */ 252b1ebe38456f7fe61a88af2844361e763ac6ea5aeJarkko Lavinen#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */ 253dfe86cba7676d58db8de7e623f5e72f1b0d3ca35Adrian Hunter#define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */ 254dfc13e8402c75e7c2e0a52e123c0500a3259866bHanumath Prasad#define MMC_CAP_1_8V_DDR (1 << 11) /* can support */ 255dfc13e8402c75e7c2e0a52e123c0500a3259866bHanumath Prasad /* DDR mode at 1.8V */ 256dfc13e8402c75e7c2e0a52e123c0500a3259866bHanumath Prasad#define MMC_CAP_1_2V_DDR (1 << 12) /* can support */ 257dfc13e8402c75e7c2e0a52e123c0500a3259866bHanumath Prasad /* DDR mode at 1.2V */ 258ed919b0125b26dcc052e44836f66e7e1f5c49c7eOhad Ben-Cohen#define MMC_CAP_POWER_OFF_CARD (1 << 13) /* Can power off after boot */ 25922113efd00491310da802f3b1a9a66cfcf415facAries Lee#define MMC_CAP_BUS_WIDTH_TEST (1 << 14) /* CMD14/CMD19 bus width ok */ 260f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_CAP_UHS_SDR12 (1 << 15) /* Host supports UHS SDR12 mode */ 261f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_CAP_UHS_SDR25 (1 << 16) /* Host supports UHS SDR25 mode */ 262f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_CAP_UHS_SDR50 (1 << 17) /* Host supports UHS SDR50 mode */ 263f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_CAP_UHS_SDR104 (1 << 18) /* Host supports UHS SDR104 mode */ 264f2119df6b764609af4baceb68caf1e848c1c8aa7Arindam Nath#define MMC_CAP_UHS_DDR50 (1 << 19) /* Host supports UHS DDR50 mode */ 2654d22378221bd0ed69c2e99408d31c108d72aeb80Ulf Hansson#define MMC_CAP_RUNTIME_RESUME (1 << 20) /* Resume at runtime_resume. */ 266d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */ 267d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */ 268d6d50a15a2897d4133d536dd4343b5cf21163db3Arindam Nath#define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */ 269d0c97cfb81ebc5b416c0f92fa2fc18d2773e3023Andrei Warkentin#define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */ 270b2499518b5ad7e28bb3ed348fd3f370eeb1e36c0Adrian Hunter#define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */ 271f218278a456b3c272b480443c89004c3d2a49f18Pierre Ossman 2725f1a4dd0372038f2490afa4540cd66b8d092839eLee Jones u32 caps2; /* More host capabilities */ 273f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter 274f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter#define MMC_CAP2_BOOTPART_NOACC (1 << 0) /* Boot partition no access */ 27553275c2136cc76b6ff26f8bec268c4bef9bab837Ulf Hansson#define MMC_CAP2_FULL_PWR_CYCLE (1 << 2) /* Can do full power cycle */ 276a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S#define MMC_CAP2_HS200_1_8V_SDR (1 << 5) /* can support */ 277a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S#define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */ 278a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S#define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \ 279a4924c71aa43d4f8a3f342b1f71788349472e684Girish K S MMC_CAP2_HS200_1_2V_SDR) 28083bb24aaa4af2ec7c127cc2a5fa7ca9f64cdd13dAdrian Hunter#define MMC_CAP2_HC_ERASE_SZ (1 << 9) /* High-capacity erase size */ 2815c08d7fae0815cd163a98e05c8d94fc0de77ff67Guennadi Liakhovetski#define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */ 2825c08d7fae0815cd163a98e05c8d94fc0de77ff67Guennadi Liakhovetski#define MMC_CAP2_RO_ACTIVE_HIGH (1 << 11) /* Write-protect signal active high */ 283abd9ac144947d9a604beb763339e2f77ce8bec79Seungwon Jeon#define MMC_CAP2_PACKED_RD (1 << 12) /* Allow packed read */ 284abd9ac144947d9a604beb763339e2f77ce8bec79Seungwon Jeon#define MMC_CAP2_PACKED_WR (1 << 13) /* Allow packed write */ 285abd9ac144947d9a604beb763339e2f77ce8bec79Seungwon Jeon#define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \ 286abd9ac144947d9a604beb763339e2f77ce8bec79Seungwon Jeon MMC_CAP2_PACKED_WR) 2870d3e3350d5871c53464be4c92d57198744247005Adrian Hunter#define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */ 2880a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon#define MMC_CAP2_HS400_1_8V (1 << 15) /* Can support HS400 1.8V */ 2890a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon#define MMC_CAP2_HS400_1_2V (1 << 16) /* Can support HS400 1.2V */ 2900a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon#define MMC_CAP2_HS400 (MMC_CAP2_HS400_1_8V | \ 2910a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon MMC_CAP2_HS400_1_2V) 292bf3b5ec66bd03d66e9ea729aaca013ea1047a797Russell King#define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17) 293f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter 294da68c4eb258cd9f3f0b8aeb7e46b8118bb6358b6Nicolas Pitre mmc_pm_flag_t pm_caps; /* supported pm features */ 295da68c4eb258cd9f3f0b8aeb7e46b8118bb6358b6Nicolas Pitre 29604566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij#ifdef CONFIG_MMC_CLKGATE 29704566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij int clk_requests; /* internal reference counter */ 29804566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij unsigned int clk_delay; /* number of MCI clk hold cycles */ 29904566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij bool clk_gated; /* clock gated */ 300597dd9d79cfbbb1636d00a7fd0880355d9b20c41Sujit Reddy Thumma struct delayed_work clk_gate_work; /* delayed clock gate */ 30104566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij unsigned int clk_old; /* old clock value cache */ 30204566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij spinlock_t clk_lock; /* lock for clk fields */ 30386f315bbb2374f1f077500ad131dd9b71856e697Chris Ball struct mutex clk_gate_mutex; /* mutex for clock gating */ 304597dd9d79cfbbb1636d00a7fd0880355d9b20c41Sujit Reddy Thumma struct device_attribute clkgate_delay_attr; 305597dd9d79cfbbb1636d00a7fd0880355d9b20c41Sujit Reddy Thumma unsigned long clkgate_delay; 30604566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij#endif 30704566831a703ae3ef4b49a2deae261c9ed26e020Linus Walleij 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* host specific block data */ 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int max_seg_size; /* see blk_queue_max_segment_size */ 310a36274e0184193e393fb82957925c3981a6b0477Martin K. Petersen unsigned short max_segs; /* see blk_queue_max_segments */ 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short unused; 31255db890a838c7b37256241b1fc53d6344aa79cc0Pierre Ossman unsigned int max_req_size; /* maximum number of bytes in one req */ 313fe4a3c7a20f14d86022a8132adbf6ddb98e7197cPierre Ossman unsigned int max_blk_size; /* maximum size of one mmc block */ 31455db890a838c7b37256241b1fc53d6344aa79cc0Pierre Ossman unsigned int max_blk_count; /* maximum number of blocks in one req */ 31568eb80e06bfa06035d0304686124974780308faeUlf Hansson unsigned int max_busy_timeout; /* max busy timeout in ms */ 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* private data */ 3187ea239d9e6d6993469a6a8ca83ff23834dfc3fcePierre Ossman spinlock_t lock; /* lock for claim and bus ops */ 3197ea239d9e6d6993469a6a8ca83ff23834dfc3fcePierre Ossman 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct mmc_ios ios; /* current io bus settings */ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 32297018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell /* group bitfields together to minimize padding */ 32397018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell unsigned int use_spi_crc:1; 32497018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell unsigned int claimed:1; /* host exclusively claimed */ 32597018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell unsigned int bus_dead:1; /* bus has been released */ 32697018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell#ifdef CONFIG_MMC_DEBUG 32797018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell unsigned int removed:1; /* host is being removed */ 32897018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell#endif 32997018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell 3304c2ef25fe0b847d2ae818f74758ddb0be1c27d8eMaxim Levitsky int rescan_disable; /* disable card detection */ 3313339d1e33185798a45dbdb5ea6c0bec1c27ca5fdJohan Rudholm int rescan_entered; /* used with nonremovable devices */ 3328ea926b22e2d13238e4d65d8f61c48fe424e6f4fAdrian Hunter 333fa372a51cb5f93800f711473e5a36e0e0c9a8f00Markus Mayer bool trigger_card_event; /* card_event necessary */ 334fa372a51cb5f93800f711473e5a36e0e0c9a8f00Markus Mayer 335b855885e3b60cf6f9452848712a62517b94583ebPierre Ossman struct mmc_card *card; /* device attached to this host */ 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_queue_head_t wq; 338319a3f1429c91147058ac26c5f5bac8ec1730bc6Adrian Hunter struct task_struct *claimer; /* task that has host claimed */ 339319a3f1429c91147058ac26c5f5bac8ec1730bc6Adrian Hunter int claim_cnt; /* "claim" nesting count */ 340f22ee4edf63e7480511112d9965c71e07be3f8b7Pierre Ossman 341c4028958b6ecad064b1a6303a6a5906d4fe48d73David Howells struct delayed_work detect; 342d30495048892980e5d453328d1cc9343b3f7e917Adrian Hunter int detect_change; /* card detect flag */ 34327410ee7e391ce650d6d0242805f080599be7ad7Guennadi Liakhovetski struct mmc_slot slot; 34401357dcac62ac028de65a1c315eb75c530c8a5d6Russell King 3457ea239d9e6d6993469a6a8ca83ff23834dfc3fcePierre Ossman const struct mmc_bus_ops *bus_ops; /* current bus driver */ 3467ea239d9e6d6993469a6a8ca83ff23834dfc3fcePierre Ossman unsigned int bus_refs; /* reference counter */ 3477ea239d9e6d6993469a6a8ca83ff23834dfc3fcePierre Ossman 348d1496c39e500857b8949cdb91af24e0eb8aae4d0Nicolas Pitre unsigned int sdio_irqs; 349d1496c39e500857b8949cdb91af24e0eb8aae4d0Nicolas Pitre struct task_struct *sdio_irq_thread; 350bbbc4c4d8c5face097d695f9bf3a39647ba6b7e7Nicolas Pitre bool sdio_irq_pending; 351d1496c39e500857b8949cdb91af24e0eb8aae4d0Nicolas Pitre atomic_t sdio_irq_thread_abort; 352d1496c39e500857b8949cdb91af24e0eb8aae4d0Nicolas Pitre 353da68c4eb258cd9f3f0b8aeb7e46b8118bb6358b6Nicolas Pitre mmc_pm_flag_t pm_flags; /* requested pm features */ 354da68c4eb258cd9f3f0b8aeb7e46b8118bb6358b6Nicolas Pitre 355af8350c756cb48a738474738f7bf8c0e572fa057Pierre Ossman struct led_trigger *led; /* activity led */ 356af8350c756cb48a738474738f7bf8c0e572fa057Pierre Ossman 35799fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij#ifdef CONFIG_REGULATOR 35899fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij bool regulator_enabled; /* regulator state */ 35999fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij#endif 360e137788dd115dd9d21759a768dba5fff9685e587Guennadi Liakhovetski struct mmc_supply supply; 36199fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij 3626edd8ee60ac9b974bd6ec3b1bcb2aab02762fa8cHaavard Skinnemoen struct dentry *debugfs_root; 3636edd8ee60ac9b974bd6ec3b1bcb2aab02762fa8cHaavard Skinnemoen 364aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin struct mmc_async_req *areq; /* active async req */ 3652220eedfd7aea69008173a224975e10284fbe854Konstantin Dorfman struct mmc_context_info context_info; /* async synchronization info */ 366aa8b683a7d392271ed349c6ab9f36b8c313794b7Per Forlin 3671b676f70c108cda90cf9d114d16c677584400efcPer Forlin#ifdef CONFIG_FAIL_MMC_REQUEST 3681b676f70c108cda90cf9d114d16c677584400efcPer Forlin struct fault_attr fail_mmc_request; 3691b676f70c108cda90cf9d114d16c677584400efcPer Forlin#endif 3701b676f70c108cda90cf9d114d16c677584400efcPer Forlin 371df16219f365f7f5a2d88a6e123251d57255cca3fGiuseppe CAVALLARO unsigned int actual_clock; /* Actual HC clock rate */ 372df16219f365f7f5a2d88a6e123251d57255cca3fGiuseppe CAVALLARO 373eed222aca8d077af3600b651176f6fd04d95cce1Aaron Lu unsigned int slotno; /* used for sdio acpi binding */ 374eed222aca8d077af3600b651176f6fd04d95cce1Aaron Lu 3753d705d14fe4c72be83bae1610680e209ee226b9dSascha Hauer int dsr_req; /* DSR value is valid */ 3763d705d14fe4c72be83bae1610680e209ee226b9dSascha Hauer u32 dsr; /* optional driver stage (DSR) value */ 3773d705d14fe4c72be83bae1610680e209ee226b9dSascha Hauer 378488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat#ifdef CONFIG_MMC_EMBEDDED_SDIO 379488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct { 380488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct sdio_cis *cis; 381488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct sdio_cccr *cccr; 382488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct sdio_embedded_func *funcs; 383488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat int num_funcs; 384488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat } embedded_sdio_data; 385488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat#endif 386488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat 38701357dcac62ac028de65a1c315eb75c530c8a5d6Russell King unsigned long private[0] ____cacheline_aligned; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3908c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskistruct mmc_host *mmc_alloc_host(int extra, struct device *); 3918c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskiint mmc_add_host(struct mmc_host *); 3928c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskivoid mmc_remove_host(struct mmc_host *); 3938c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskivoid mmc_free_host(struct mmc_host *); 394ec0a7517dc25b4cca8a694fd61e09771bffba022Simon Baatzint mmc_of_parse(struct mmc_host *host); 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 396488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat#ifdef CONFIG_MMC_EMBEDDED_SDIO 397488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehatextern void mmc_set_embedded_sdio_data(struct mmc_host *host, 398488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct sdio_cis *cis, 399488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct sdio_cccr *cccr, 400488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat struct sdio_embedded_func *funcs, 401488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat int num_funcs); 402488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat#endif 403488ad4b90b85010d0a9e2924b3d46d8d6e5f40a5San Mehat 40401357dcac62ac028de65a1c315eb75c530c8a5d6Russell Kingstatic inline void *mmc_priv(struct mmc_host *host) 40501357dcac62ac028de65a1c315eb75c530c8a5d6Russell King{ 40601357dcac62ac028de65a1c315eb75c530c8a5d6Russell King return (void *)host->private; 40701357dcac62ac028de65a1c315eb75c530c8a5d6Russell King} 40801357dcac62ac028de65a1c315eb75c530c8a5d6Russell King 40997018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI) 41097018580c40c8a31dd7ae744da3378c787a2066dDavid Brownell 411fcaf71fd51f9cfc504455d3e19ec242e4b2073edGreg Kroah-Hartman#define mmc_dev(x) ((x)->parent) 41211354d03afe9dd0d114e078057158baad4b4eee9Pierre Ossman#define mmc_classdev(x) (&(x)->class_dev) 413d1b268630875a7713b5d468a0c03403c5b721c8eKay Sievers#define mmc_hostname(x) (dev_name(&(x)->class_dev)) 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4158c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskiint mmc_power_save_host(struct mmc_host *host); 4168c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskiint mmc_power_restore_host(struct mmc_host *host); 417eae1aeeed852aae37621b82a9e7f6c05096a18fdAdrian Hunter 4188c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskivoid mmc_detect_change(struct mmc_host *, unsigned long delay); 4198c9beb117bf31cdb757bc80992281004be8a177bGuennadi Liakhovetskivoid mmc_request_done(struct mmc_host *, struct mmc_request *); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 42117b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitrestatic inline void mmc_signal_sdio_irq(struct mmc_host *host) 42217b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitre{ 42317b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitre host->ops->enable_sdio_irq(host, 0); 424bbbc4c4d8c5face097d695f9bf3a39647ba6b7e7Nicolas Pitre host->sdio_irq_pending = true; 42517b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitre wake_up_process(host->sdio_irq_thread); 42617b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitre} 42717b759aff916b4d02721e75ce5ed82b1903e5bd6Nicolas Pitre 428bf3b5ec66bd03d66e9ea729aaca013ea1047a797Russell Kingvoid sdio_run_irqs(struct mmc_host *host); 429bf3b5ec66bd03d66e9ea729aaca013ea1047a797Russell King 43099fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij#ifdef CONFIG_REGULATOR 4315c13941acc513669c7d07b28789c3f9ba66ddddfDavid Brownellint mmc_regulator_get_ocrmask(struct regulator *supply); 43299fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleijint mmc_regulator_set_ocr(struct mmc_host *mmc, 43399fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij struct regulator *supply, 43499fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij unsigned short vdd_bit); 43599fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij#else 43699fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleijstatic inline int mmc_regulator_get_ocrmask(struct regulator *supply) 43799fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij{ 43899fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij return 0; 43999fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij} 44099fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij 44199fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleijstatic inline int mmc_regulator_set_ocr(struct mmc_host *mmc, 44299fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij struct regulator *supply, 44399fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij unsigned short vdd_bit) 44499fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij{ 44599fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij return 0; 44699fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij} 44799fc5131018cbdc3cf42ce09fb394a4e8b053c74Linus Walleij#endif 4485c13941acc513669c7d07b28789c3f9ba66ddddfDavid Brownell 4494d1f52f9a9f9a63371dba589093b3ae90fc80c3dTim Krygerint mmc_regulator_get_supply(struct mmc_host *mmc); 4504d1f52f9a9f9a63371dba589093b3ae90fc80c3dTim Kryger 4514c2ef25fe0b847d2ae818f74758ddb0be1c27d8eMaxim Levitskyint mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *); 4528ea926b22e2d13238e4d65d8f61c48fe424e6f4fAdrian Hunter 45371d7d3d190fe77588269a8febf93cd739bd91eb3Matt Flemingstatic inline int mmc_card_is_removable(struct mmc_host *host) 45471d7d3d190fe77588269a8febf93cd739bd91eb3Matt Fleming{ 4552501c9179dff2add6aadd3898cd729e94e777d3aUlf Hansson return !(host->caps & MMC_CAP_NONREMOVABLE); 45671d7d3d190fe77588269a8febf93cd739bd91eb3Matt Fleming} 45771d7d3d190fe77588269a8febf93cd739bd91eb3Matt Fleming 458a5e9425d2010978c5f85986cc70a9fa0c0d5b912Ohad Ben-Cohenstatic inline int mmc_card_keep_power(struct mmc_host *host) 459080bc9774b6f1e3866747b18631bad26f47c22ceOhad Ben-Cohen{ 460080bc9774b6f1e3866747b18631bad26f47c22ceOhad Ben-Cohen return host->pm_flags & MMC_PM_KEEP_POWER; 461080bc9774b6f1e3866747b18631bad26f47c22ceOhad Ben-Cohen} 462080bc9774b6f1e3866747b18631bad26f47c22ceOhad Ben-Cohen 4636b93d01fe5971951911a070f51f412d50e9536dcOhad Ben-Cohenstatic inline int mmc_card_wake_sdio_irq(struct mmc_host *host) 4646b93d01fe5971951911a070f51f412d50e9536dcOhad Ben-Cohen{ 4656b93d01fe5971951911a070f51f412d50e9536dcOhad Ben-Cohen return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ; 4666b93d01fe5971951911a070f51f412d50e9536dcOhad Ben-Cohen} 467d0c97cfb81ebc5b416c0f92fa2fc18d2773e3023Andrei Warkentin 468d0c97cfb81ebc5b416c0f92fa2fc18d2773e3023Andrei Warkentinstatic inline int mmc_host_cmd23(struct mmc_host *host) 469d0c97cfb81ebc5b416c0f92fa2fc18d2773e3023Andrei Warkentin{ 470d0c97cfb81ebc5b416c0f92fa2fc18d2773e3023Andrei Warkentin return host->caps & MMC_CAP_CMD23; 471d0c97cfb81ebc5b416c0f92fa2fc18d2773e3023Andrei Warkentin} 472f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter 473f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunterstatic inline int mmc_boot_partition_access(struct mmc_host *host) 474f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter{ 475f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); 476f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter} 477f7c56ef2af5ae7e4c24c3c79427b38d18ba1d294Adrian Hunter 47841875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thummastatic inline int mmc_host_uhs(struct mmc_host *host) 47941875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma{ 48041875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma return host->caps & 48141875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | 48241875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | 48341875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma MMC_CAP_UHS_DDR50); 48441875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma} 48541875e388401ad97c33252d5fa39d52e0b70ee9bSujit Reddy Thumma 486ce39f9d17c14e56ea6772aa84393e6e0cc8499c4Seungwon Jeonstatic inline int mmc_host_packed_wr(struct mmc_host *host) 487ce39f9d17c14e56ea6772aa84393e6e0cc8499c4Seungwon Jeon{ 488ce39f9d17c14e56ea6772aa84393e6e0cc8499c4Seungwon Jeon return host->caps2 & MMC_CAP2_PACKED_WR; 489ce39f9d17c14e56ea6772aa84393e6e0cc8499c4Seungwon Jeon} 490ce39f9d17c14e56ea6772aa84393e6e0cc8499c4Seungwon Jeon 4912c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma#ifdef CONFIG_MMC_CLKGATE 4922c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thummavoid mmc_host_clk_hold(struct mmc_host *host); 4932c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thummavoid mmc_host_clk_release(struct mmc_host *host); 4942c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thummaunsigned int mmc_host_clk_rate(struct mmc_host *host); 4952c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma 4962c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma#else 4972c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thummastatic inline void mmc_host_clk_hold(struct mmc_host *host) 4982c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma{ 4992c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma} 5002c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma 5012c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thummastatic inline void mmc_host_clk_release(struct mmc_host *host) 5022c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma{ 5032c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma} 5042c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma 5052c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thummastatic inline unsigned int mmc_host_clk_rate(struct mmc_host *host) 5062c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma{ 5072c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma return host->ios.clock; 5082c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma} 5092c4967f741e87cdd63de7271b97807041dccbf3bSujit Reddy Thumma#endif 510cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon 511cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeonstatic inline int mmc_card_hs(struct mmc_card *card) 512cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon{ 513cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon return card->host->ios.timing == MMC_TIMING_SD_HS || 514cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon card->host->ios.timing == MMC_TIMING_MMC_HS; 515cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon} 516cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon 517cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeonstatic inline int mmc_card_uhs(struct mmc_card *card) 518cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon{ 519cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 && 520cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon card->host->ios.timing <= MMC_TIMING_UHS_DDR50; 521cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon} 522cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon 523cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeonstatic inline bool mmc_card_hs200(struct mmc_card *card) 524cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon{ 525cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon return card->host->ios.timing == MMC_TIMING_MMC_HS200; 526cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon} 527cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon 528cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeonstatic inline bool mmc_card_ddr52(struct mmc_card *card) 529cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon{ 530cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon return card->host->ios.timing == MMC_TIMING_MMC_DDR52; 531cdc991790c51c693d0c347a5286af017826a5d01Seungwon Jeon} 5320a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon 5330a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeonstatic inline bool mmc_card_hs400(struct mmc_card *card) 5340a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon{ 5350a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon return card->host->ios.timing == MMC_TIMING_MMC_HS400; 5360a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon} 5370a5b6438ee482696360bb013e67b8488f63d3e9eSeungwon Jeon 538100e918610b7487fa18db97b3879cd8d1fdd5974Robert P. J. Day#endif /* LINUX_MMC_HOST_H */ 539